

- Water drilling increases service life of the tool;
- Do not put too much pressure on the tool, let it work;
- Tilt gently to allow fragments released out;
- Cutting speed: 2700 RPM;
- No percussion.
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The drill began to rotate before making contact with the surface. To prevent the drill from slipping, start with a 45 ° angle. After starting to drill the hole, raise the bit gradually to the vertical line. During drilling, perform an oscillating motion.
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- Water drilling increases service life of the tool;
- Do not put too much pressure on the tool, let it work;
- Tilt gently to allow fragments released out;
- Cutting speed: 2700 RPM;
- No percussion.
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